78890595 has 64 divisors (see below), whose sum is σ = 149935104. Its totient is φ = 34675200.

The previous prime is 78890593. The next prime is 78890597. The reversal of 78890595 is 59509887.

It is an interprime number because it is at equal distance from previous prime (78890593) and next prime (78890597).

It is not a de Polignac number, because 78890595 - 2¹ = 78890593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78890593) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 455929 + ... + 456101.

It is an arithmetic number, because the mean of its divisors is an integer number (2342736).

Almost surely, 2^78890595 is an apocalyptic number.

78890595 is a deficient number, since it is larger than the sum of its proper divisors (71044509).

78890595 is a wasteful number, since it uses less digits than its factorization.

78890595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332.

The product of its (nonzero) digits is 907200, while the sum is 51.

The square root of 78890595 is about 8882.0377729438. The cubic root of 78890595 is about 428.8858755007.

The spelling of 78890595 in words is "seventy-eight million, eight hundred ninety thousand, five hundred ninety-five".